The invention discloses a visco-elastic
antiseptic paste, and a preparation method thereof. The visco-elastic
antiseptic paste comprises components of, by weight: 10 to 30 parts of low-molecular-weight polyisobutylene, 40 to 60 parts of middle-molecular-weight polyisobutylene, 20 to 50 parts of an inorganic filling material, 0.2 to 0.5 parts of an
antioxidant, and 0.0001 to 0.0005 parts of a
pigment. According to the invention, low-molecular-weight polyisobutylene, middle-molecular-weight polyisobutylene and the
antioxidant are kneaded in a kneading
machine; the inorganic filling material is added into the kneading
machine, and the mixture is kneaded; the
pigment is added into the kneading
machine, and the mixture is kneaded; and the obtained mixture is fetched, such that the visco-elastic
antiseptic paste is obtained. With the method provided by the invention, the adhesion of the visco-elastic antiseptic paste provided by the invention reaches 0.125N / mm<2>, and the water
absorption rate of the visco-elastic antiseptic paste is only 0.03%. With the visco-elastic antiseptic paste, no drop pendent appears under a temperature of 85 DEG C, and no
cathode protection
dissection or chemical
mediator corrosion is occurred during a long-term test. Therefore, the visco-elastic antiseptic paste is suitable to be used in long-term antiseptic protections of
metal equipments.